| Main Entry: | |
| Part of Speech: | verb |
| Definition: | back up information, story |
| Synonyms: | approve, authenticate, bear out, certify, check on, check out, check up, confirm, declare true, document, double check, endorse, establish, give nod, justify, okay, prove, ratify, rubber-stamp, strengthen, substantiate, support, sustain, validate, verify |
| Notes: | corroborate is used in a narrower context, usually by way of providing support for testimony in a legal proceeding; confirm is to lend support to a much wider array of things |
| Antonyms: | contradict, deny, disallow, disclaim, refute, reject |
| Main Entry: | authenticate |
| Part of Speech: | verb |
| Definition: | establish as real, genuine |
| Synonyms: | accredit, attest, authorize, bear out, certify, confirm, corroborate, endorse, guarantee, justify, prove, substantiate, validate, verify, vouch, warrant |
| Main Entry: | bear out |
| Part of Speech: | verb |
| Definition: | substantiate |
| Synonyms: | authenticate, confirm, corroborate, endorse, justify, prove, substantiate, support, uphold, validate, verify, vindicate |
| Main Entry: | bear witness |
| Part of Speech: | verb |
| Definition: | vouch for |
| Synonyms: | attest, confirm, corroborate, demonstrate, depose, evidence, evince, prove, show, testify, testify to |
| Main Entry: | certify |
| Part of Speech: | verb |
| Definition: | declare as true |
| Synonyms: | accredit, approve, ascertain, assure, attest, authenticate, authorize, aver, avow, commission, confirm, corroborate, endorse, guarantee, license, notify, okay, profess, reassure, rubber-stamp, sanction, show, state, swear, testify, validate, verify, vouch, witness |
| Antonyms: | contradict, counteract, deny, disavow, discredit, invalidate, reject, repudiate |
| Main Entry: | confirm |
| Part of Speech: | verb |
| Definition: | ratify, validate, prove |
| Synonyms: | affirm, approve, attest, authenticate, back, bear out, bless, buy, certify, check, check out, circumstantiate, corroborate, debunk, double-check, endorse, establish, explain, give green light, give high sign, give stamp of approval, give the go-ahead, give the nod, justify, lap up, make good, make sure, okay, rubber-stamp, sanction, settle, sign, sign off on, size up, subscribe, substantiate, support, thumbs up, underpin, uphold, verify, vouch, warrant, witness |
| Notes: | corroborate is used in a narrower context, usually by way of providing support for testimony in a legal proceeding; confirm is to lend support to a much wider array of things |
| Antonyms: | annul, cancel, contradict, destroy, disprove, invalidate, oppose, veto, void |
| Main Entry: | confirmation |
| Part of Speech: | noun |
| Definition: | ratification, validation, proof |
| Synonyms: | acceptance, accepting, accord, admission, affirmation, affirming, agreement, approval, assent, attestation, authenticating, authentication, authorization, authorizing, avowal, consent, corroborating, corroboration, endorsement, evidence, go ahead, green light, nod, okay, passage, passing, proving, recognition, sanction, sanctioning, stamp of approval, substantiation, support, supporting, testament, testimonial, testimony, validating, verification, verifying, visa, witness |
| Antonyms: | annulment, cancellation, contradiction, denial, destruction, opposition, veto, void |
| Main Entry: | establish |
| Part of Speech: | verb |
| Definition: | authenticate; demonstrate |
| Synonyms: | ascertain, authorize, base, certify, circumstantiate, confirm, constitute, corroborate, decree, determine, disambiguate, discover, enact, find out, formulate, learn, legislate, make, make out, predicate, prescribe, prove, ratify, rest, show, stay, substantiate, validate, verify |
| Antonyms: | confuse, disprove, invalidate |
| Main Entry: | prove |
| Part of Speech: | verb |
| Definition: | establish facts; put to a test |
| Synonyms: | add up, affirm, analyze, ascertain, assay, attest, authenticate, back, bear out, certify, check, confirm, convince, corroborate, declare, demonstrate, determine, document, end up, evidence, evince, examine, experiment, explain, find, fix, have a case, justify, make evident, manifest, pan out, result, settle, show, show clearly, show once and for all, substantiate, sustain, test, testify, trial, try, turn out, uphold, validate, verify, warrant, witness |
| Antonyms: | discredit, disprove, hypothesize, theorize |